CN109826991B - Actuating mechanism, control valve and valve control system - Google Patents
Actuating mechanism, control valve and valve control system Download PDFInfo
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- CN109826991B CN109826991B CN201711184347.6A CN201711184347A CN109826991B CN 109826991 B CN109826991 B CN 109826991B CN 201711184347 A CN201711184347 A CN 201711184347A CN 109826991 B CN109826991 B CN 109826991B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/007—Simulation or modelling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/76—Control of force or torque of the output member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/865—Prevention of failures
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33326—Analyzer, diagnostic for servovalve
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45006—Valves
Abstract
The invention comprises an actuator for a control valve of a valve control system, comprising a drive unit (10), a sensor unit (20), a data processing unit (30) and a communication control unit (40). The driving unit can receive a control signal (S1) and drive the valve rod to rotate. The sensor unit is provided to the driving unit and is capable of sensing a driving force applied to the valve stem when the driving unit drives the valve stem to move and generating an initial diagnosis signal (S2). The data processing unit is capable of receiving the initial diagnostic signal and generating a diagnostic signal after signal conditioning (S3). The communication control unit is capable of receiving control signals and transmitting them to the drive unit, and is also capable of receiving diagnostic signals and transmitting them to a control center (80). The actuator is capable of sending data to the control center of the actuator's driving force of the valve stem to diagnose potential failure of the valve. The invention also provides a control valve comprising the actuating mechanism and a valve control system.
Description
Technical Field
The invention relates to the technical field of control valves, in particular to an actuating mechanism of a control valve of a control system, the control valve with the actuating mechanism and the control system.
Background
The control valve includes a valve and an actuator that actuates the valve. To meet market demands, the actuator is usually required to have a diagnostic function. The existing actuator usually can only be obtained by acquiring a sensor signal containing the action amount data of the actuator and sending the sensor signal to a control center, and the control center diagnoses whether the valve has a fault or not by comparing the sensor signal with preset data, for example, the actuator cannot achieve a predetermined action due to the fact that a valve rod of the valve is stuck. Such actuators are only able to diagnose symptoms that have already occurred with the valve and are not able to diagnose a potential failure of the valve.
Disclosure of Invention
An object of the present invention is to solve the above and/or other technical problems and to provide an actuator of a control valve of a valve control system capable of transmitting data of driving force of the actuator to a valve stem to a control center to diagnose a potential failure of the valve.
It is another object of the present invention to provide a control valve of a valve control system capable of transmitting data of driving force of an actuator to a valve stem to a control center to diagnose a potential failure of the valve.
It is another object of the present invention to provide a valve control system that enables the diagnosis of potential failure of a valve through data of the actuating force of an actuator on a valve stem.
The invention provides an actuating mechanism of a control valve of a valve control system, wherein the control system comprises a control center, the control center can send a control signal, the control center can also receive a diagnosis signal and analyze and diagnose the diagnosis signal, the control valve comprises a valve, the valve comprises a valve rod, and the actuating mechanism comprises a driving unit, a sensor unit, a data processing unit and a communication control unit. The driving unit can receive the control signal and drive the valve rod to move along the axial direction of the valve rod or rotate along the circumferential direction of the valve rod according to the control signal. The sensor unit is arranged on the driving unit and can sense the driving force applied to the valve rod when the driving unit drives the valve rod to move and generate an initial diagnosis signal containing the driving force data. The data processing unit is capable of receiving and signal conditioning an initial diagnostic signal prior to generating the diagnostic signal. The communication control unit is capable of receiving the control signal sent by the control center and sending it to the drive unit, and the communication control unit is also capable of receiving the diagnostic signal and sending it to the control center.
The actuating mechanism of the invention senses the driving force applied to the valve rod when the driving unit drives the valve rod to move through the sensor unit arranged on the driving unit, receives and conditions the data sent by the sensor unit through the signal conditioning unit to generate digital data which can be used for transmission, and sends the digital data to the control center through the communication control unit, so that the control center can diagnose the potential fault formed by damage of the valve in advance through diagnosing the driving force data to the valve rod when the valve acts.
In yet another exemplary embodiment of the carriage assembly, the drive unit includes a motor, a gear, and a drive rod. The gear is arranged on the motor and can rotate under the driving of the motor. The drive rod has a rack extending in the radial direction, the rack engaging with the gear. The sensor unit is pressure sensor, and it sets up in the tip of actuating lever, and the actuating lever can support to lean on the sensor unit to impel the axial motion of valve rod along the valve rod.
In yet another exemplary embodiment of the bracket assembly, the sensor unit is a force sensitive resistor or a piezoceramic wafer.
In another exemplary embodiment of the carriage assembly, the actuator includes a drive unit including a motor, a first bevel gear, and a drive rod. The first bevel gear is arranged on the motor and can rotate under the driving of the motor. And the driving rod is provided with a second bevel gear which is meshed with the first bevel gear. The sensor unit is a torque sensor and is arranged at the end part of the driving rod, and the driving rod can drive the valve rod to move along the axial direction of the valve rod by the torque sensor.
In another exemplary embodiment of the mount assembly, the actuator further includes an internet of things communication module capable of receiving the diagnostic signal and transmitting the diagnostic signal to an internet of things server.
In another exemplary embodiment of the cradle assembly, the data processing unit includes a signal conditioning circuit and an analog-to-digital conversion circuit. The signal conditioning circuit is capable of receiving the initial diagnostic signal and conditioning the initial diagnostic signal into a standard analog signal capable of analog-to-digital conversion. The analog-to-digital conversion circuit can receive the standard analog signal and perform analog-to-digital conversion to generate a diagnostic signal.
The invention also provides a control valve of the valve control system, the control system comprises a control center, the control center can send a control signal, the control center can also receive a diagnosis signal and analyze and diagnose the signal, and the control valve comprises a valve and the actuating mechanism. The valve includes a valve stem. The driving unit can receive a control signal and drive the valve rod to move along the axial direction of the valve rod or rotate along the circumferential direction of the valve rod according to the control signal, and the sensor unit can sense the driving force applied to the valve rod when the driving unit drives the valve rod to move and generate a driving force initial diagnosis signal.
In yet another exemplary embodiment of the control valve, the valve further comprises an external sensor. The actuator also includes an external sensor interface capable of receiving an initial diagnostic signal from an external sensor and transmitting the initial diagnostic signal to the data processing unit.
The invention also provides a valve control system, which comprises a control center and the control valve. A control center can send a control signal, and the control center can receive a diagnosis signal and analyze the diagnosis signal. The communication control unit can receive the control signal sent by the control center and send the control signal to the driving unit, and the communication control unit can also receive the diagnosis signal and send the diagnosis signal to the control center.
The above features, technical features, advantages and implementations of the actuator of the control valve of the valve control system, the control valve and the valve control system and the control valve will be further described in the following detailed description of the preferred embodiments with reference to the accompanying drawings.
Drawings
The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.
Fig. 1 is a schematic configuration diagram for explaining an exemplary embodiment of an actuator of a control valve.
Fig. 2 is a schematic configuration diagram for explaining another exemplary embodiment of an actuator of the control valve.
Fig. 3 is a schematic configuration diagram for explaining another exemplary embodiment of an actuator of the control valve.
Description of the reference symbols
10 drive unit
12 electric machine
14 gears
16 drive rod
17 rack
18 first bevel gear
19 second bevel gear
20 sensor unit
30 data processing unit
32 signal conditioning circuit
34 analog-to-digital conversion circuit
40 communication control unit
50 external sensor interface
60 thing networking communication module
70 valve
72 valve stem
74 external sensor
80 control center
90 thing networking server
S1 control signal
S2 initial diagnostic signal
S21 standard analog signal
S3 diagnostic signal
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
Fig. 1 is a schematic diagram illustrating the structure of an exemplary embodiment of an actuator of a control valve, and referring to fig. 1, the control system includes a control center 80, the control center 80 can send a control signal S1, and the control center 80 can receive a diagnosis signal S3 and analyze and diagnose the signal. The control valve includes a valve 70, and the valve 70 includes a valve stem 72, and the valve stem 72 can be moved linearly in an axial direction or rotated in a circumferential direction to open or close or adjust the valve. The actuator comprises a drive unit 10, a sensor unit 20, a data processing unit 30 and a communication control unit 40. The driving unit 10 is capable of receiving the control signal S1 and driving the valve rod 72 to move along the axial direction of the valve rod 72 or rotate along the circumferential direction of the valve rod 72 according to the control signal S1, and in the exemplary embodiment, the driving unit 10 includes a motor and a gear set, but is not limited thereto, and in other exemplary embodiments, the driving unit 10 may also include other driving structures such as an electromagnet and a solenoid, or a pneumatic pump. The sensor unit 20 is disposed on the driving unit 10, and the sensor unit 20 is capable of sensing the driving force applied to the valve stem 72 when the driving unit 10 drives the valve stem 72 to move and generating an initial diagnostic signal S2 containing the driving force data. The data processing unit 30 is capable of receiving and signal conditioning the initial diagnostic signal S2 before generating the diagnostic signal S3,. The communication control unit 40 can receive the control signal S1 transmitted by the control center 80 and transmit to the drive unit 10, and the communication control unit 40 can also receive the diagnostic signal S3 and transmit to the control center 80.
According to the actuator, the sensor unit 20 arranged on the driving unit 20 senses the driving force applied to the valve rod 72 when the driving unit 10 drives the valve rod 72 to move, the signal conditioning unit 30 receives and conditions the data sent by the sensor unit 20 to generate digital data which can be used for transmission, and the digital data is sent to the control center 80 through the communication control unit 40, so that the control center 80 can diagnose the driving force data of the valve rod when the valve operates, diagnose the situation that the valve rod does not move smoothly due to damage in advance, and discover potential faults of the valve in advance.
In an exemplary embodiment, and referring to fig. 1, drive unit 10 includes a motor 12, a gear 14, and a drive rod 16. The gear 14 is disposed on the motor 12 and can be driven by the motor 12 to rotate. The driving rod 16 is provided with a rack 17 extending along the radial direction, the rack 17 can be meshed with the gear 14 for transmission, and the motor can drive the driving rod 16 to move linearly along the axial direction of the driving rod. Sensor unit 20 is a pressure sensor provided at an end portion of drive rod 16, and drive rod 16 can push valve stem 72 against sensor unit 20 to move in the axial direction of valve stem 72. In the exemplary embodiment, the sensor unit 20 is a force sensitive resistor or a piezoceramic wafer. The sensor unit 20 is configured to generate an initial diagnostic signal S2 containing the driving force by sensing the pressure during which the drive rod 16 is able to push the valve stem 72 against the sensor unit 20 in the axial direction of the valve stem 72.
Fig. 2 is a schematic configuration diagram for explaining another exemplary embodiment of an actuator of the control valve, and referring to fig. 2, the actuator includes a driving unit 10 including a motor 12, a first bevel gear 18, and a driving rod 16. The first bevel gear 18 is disposed on the motor 12 and can be driven by the motor 12 to rotate. And a driving rod 16 which is provided with a second bevel gear 19, wherein the second bevel gear 19 and the first bevel gear 18 can be in meshed transmission. The sensor unit 20 is a torque sensor provided at an end portion of the drive rod 16, and the drive rod 16 can drive the valve stem 72 to move in the axial direction of the valve stem 72 by the torque sensor. The sensor unit 20 can generate an initial diagnostic signal S2 containing a driving force by sensing a torque during which the drive rod 16 can drive the valve stem 72 by the torque sensor to move in the axial direction of the valve stem 72.
Fig. 3 is a schematic structural diagram for explaining another exemplary embodiment of an actuator of a control valve, and referring to fig. 3, the actuator further includes an internet of things communication module 60, which is capable of receiving a diagnosis signal S3 and sending the diagnosis signal S3 to an internet of things server 90, so that the valve can be diagnosed more quickly and more accurately through the internet of things server 90.
In the illustrative embodiment, referring to FIG. 3, data processing unit 30 includes a signal conditioning circuit 32 and an analog-to-digital conversion circuit 34. The signal conditioning circuit 32 can receive the initial diagnostic signal S2 and condition the initial diagnostic signal S2 into a standard analog signal S21 capable of analog-to-digital conversion through signal amplification, filtering and the like. The analog-to-digital conversion circuit 34 is capable of receiving the standard analog signal S21 and performing analog-to-digital conversion to generate the diagnostic signal S3.
The present invention also provides a control valve of a valve control system, and referring to fig. 3, the control valve of the control system comprises a control center 80, the control center 80 can send a control signal S1, the control center 80 can receive a diagnosis signal S3 and analyze and diagnose the signal, and the control valve comprises a valve 70 and an actuator as described above. The valve 70 includes a valve stem 72. The driving unit 10 can receive the control signal S1 and drive the valve rod 72 to move along the axial direction of the valve rod 72 or rotate along the circumferential direction of the valve rod 72 according to the control signal S1, and the sensor unit 20 can sense the driving force applied to the valve rod 72 when the driving unit 10 drives the valve rod 72 to move and generate a driving force initial diagnosis signal S2. In the illustrated embodiment, the valve 70 also includes an external sensor 74. The actuator also includes an external sensor interface 50 that is capable of receiving the initial diagnostic signal S2 sent by the external sensor 74 and sending it to the data processing unit 30.
The present invention also provides a valve control system, and referring to fig. 3, the valve control system includes a control center 80 and a control valve as described above. A control center 80 can send a control signal S1 and the control center 80 can also receive and analyze a diagnostic signal S3. The communication control unit 40 can receive the control signal S1 transmitted from the control center 80 and transmit it to the driving unit 10, and the communication control unit 40 can receive the diagnosis signal S3 and transmit it to the control center 80.
The invention also provides a control valve which comprises the bracket assembly.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications such as combinations, divisions or repetitions of features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.
Claims (8)
1. Actuator for a control valve of a valve control system, said control system comprising a control center (80), said control center (80) being capable of sending a control signal (S1), said control center (80) being further capable of receiving and analytically diagnosing a diagnostic signal (S3), said control valve comprising a valve (70), said valve (70) comprising a valve stem (72), characterized in that said actuator comprises:
a driving unit (10) capable of receiving the control signal (S1) and driving the valve rod (72) to move along the axial direction of the valve rod (72) or to rotate along the circumferential direction of the valve rod (72) according to the control signal (S1);
a sensor unit (20) disposed on the driving unit (10), wherein the sensor unit (20) is capable of sensing a driving force applied to the valve stem (72) when the driving unit (10) drives the valve stem (72) to move and generating an initial diagnostic signal (S2) containing driving force data;
a data processing unit (30) capable of receiving and signal conditioning said initial diagnostic signal (S2) prior to generating said diagnostic signal (S3), said data processing unit (30) comprising: a signal conditioning circuit (32) capable of receiving the initial diagnostic signal (S2) and conditioning the initial diagnostic signal (S2) into a standard analog signal (S21) capable of analog-to-digital conversion; and an analog-to-digital conversion circuit (34) capable of receiving the standard analog signal (S21) and performing analog-to-digital conversion to generate the diagnostic signal (S3);
a communication control unit (40) capable of receiving the control signal (S1) sent by the control center (80) and sending it to the drive unit (10), the communication control unit (40) further capable of receiving the diagnostic signal (S3) and sending it to the control center (80), so that the control center (80) diagnoses a potential failure of the valve (70) due to breakage by means of the diagnostic signal (S3).
2. Actuator according to claim 1, wherein the drive unit (10) comprises:
a motor (12);
a gear (14) which is arranged on the motor (12) and can be driven by the motor (12) to rotate; and
a drive rod (16) having a radially extending rack (17), said rack (17) being in engagement with said gear wheel (14);
the sensor unit (20) is a pressure sensor and is arranged at the end part of the driving rod (16), and the driving rod (16) can push the valve rod (72) to move along the axial direction of the valve rod (72) against the sensor unit (20).
3. Actuator according to claim 2, wherein the sensor unit (20) is a force sensitive resistor or a piezoceramic wafer.
4. Actuator according to claim 1, wherein the actuator comprises a drive unit (10) comprising: a motor (12);
a first bevel gear (18) which is arranged on the motor (12) and can be driven by the motor (12) to rotate;
a drive rod (16) having a second bevel gear (19), said second bevel gear (19) meshing with said first bevel gear (18);
the sensor unit (20) is a torque sensor and is arranged at the end part of the driving rod (16), and the driving rod (16) can drive the valve rod (72) to move along the axial direction of the valve rod (72) through the torque sensor.
5. The actuator of claim 1, further comprising an internet of things communication module (60) capable of receiving the diagnostic signal (S3) and transmitting it to an internet of things server (90).
6. Control valve for a control system, said control system comprising a control center (80), said control center (80) being capable of sending a control signal (S1), said control center (80) being further capable of receiving a diagnostic signal (S3) and analyzing it for diagnostics, characterized in that said control valve comprises:
a valve (70), said valve (70) comprising a valve stem (72); and
an actuator according to any of claims 1 to 5, said drive unit (10) being adapted to receive said control signal (S1) and to drive said valve stem (72) in accordance with said control signal (S1) in an axial direction of said valve stem (72) or in a circumferential direction of said valve stem (72), said sensor unit (20) being adapted to sense a driving force applied to said valve stem (72) when said drive unit (10) drives said valve stem (72) in a movement and to generate an initial diagnostic driving force signal (S2).
7. The control valve of claim 6,
said valve (70) further comprising an external sensor (74);
the actuator also includes an external sensor interface (50) capable of receiving an initial diagnostic signal (S2) sent by the external sensor (74) and sending it to the data processing unit (30).
8. A control system, comprising:
a control center (80) capable of transmitting a control signal (S1), said control center (80) further capable of receiving a diagnostic signal (S3) and analyzing the diagnostic signal; and
a control valve according to any one of claims 6 or 7, the communication control unit (40) being capable of receiving said control signal (S1) sent by said control centre (80) and sending it to said drive unit (10), said communication control unit (40) being further capable of receiving said diagnostic signal (S3) and sending it to said control centre (80).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184347.6A CN109826991B (en) | 2017-11-23 | 2017-11-23 | Actuating mechanism, control valve and valve control system |
| EP18203443.9A EP3489778A1 (en) | 2017-11-23 | 2018-10-30 | Actuating mechanism, control valve and valve control system |
| US16/192,146 US20190154064A1 (en) | 2017-11-23 | 2018-11-15 | Actuating Mechanism, Control Valve And Valve Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184347.6A CN109826991B (en) | 2017-11-23 | 2017-11-23 | Actuating mechanism, control valve and valve control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109826991A CN109826991A (en) | 2019-05-31 |
| CN109826991B true CN109826991B (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711184347.6A Active CN109826991B (en) | 2017-11-23 | 2017-11-23 | Actuating mechanism, control valve and valve control system |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190154064A1 (en) |
| EP (1) | EP3489778A1 (en) |
| CN (1) | CN109826991B (en) |
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| WO2020077332A1 (en) | 2018-10-12 | 2020-04-16 | Bray International, Inc. | Smart valve with integrated electronics |
| CA3122267A1 (en) | 2018-12-06 | 2020-06-11 | Bray International, Inc. | Smart valve adaptor with integrated electronics |
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| CN114087414B (en) * | 2021-11-26 | 2024-03-08 | 哈尔滨理工大学 | Thing networking WIFI driving motor adjusts digital valve with displacement feedback |
| CN114593113B (en) * | 2022-03-09 | 2022-11-15 | 青岛豪德博尔实业有限公司 | Centralized remote liquid supply system for coal mine |
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2017
- 2017-11-23 CN CN201711184347.6A patent/CN109826991B/en active Active
-
2018
- 2018-10-30 EP EP18203443.9A patent/EP3489778A1/en not_active Withdrawn
- 2018-11-15 US US16/192,146 patent/US20190154064A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP3489778A1 (en) | 2019-05-29 |
| CN109826991A (en) | 2019-05-31 |
| US20190154064A1 (en) | 2019-05-23 |
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